Ranbir kapoor is rockstar not i am said Alshay kumar

Akashay kumar said that ranbir is the rockstar not i am, Now it is akshay kumar's turn to give a son of sardar title to ajay devgn. sonakshi sinha which co-star of the movie tweeted her thanxx to akshay. she wrote in her tweet that (A big thanx to akshay who gave a title of son of sardar.